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The Sport Bobber

March 16, 2023

The Sport Bobber



In the world of preparation, there are several large families such as the scrambler, the café racer and the bobber, to name the best known.

Each of these families has defined characteristics and internal currents.

Indeed, there are similarities that can be grouped into sub-families.

Today, we are pointing to a modern type of bobber that we call the sport bobber.

The DNA of this type of bobber is that of the original bobber associated with sportiness, performance and muscle.

It's about making a bobber into a more beastly machine. No more chill rides, we want performance; no more minimalist, we want bulky parts; no more Springer forks, we want an efficient chassis.

First we will look at some examples of sport bobbers and then define the common characteristics.


Sport Bobber bikes:






Tank Machine is a French tuner that we have already seen on the Remmotorcycle blog. Indeed, their preparations are a particular soul that makes them unique.

Their job is to sport customs and cruisers.

They have worked a lot on Indian Motorcycles but are now diversifying and doing BMW R18s, and it's worth a visit.

On this Indian Scout, the inverted fork and the enlarged spoked rims are immediately noticeable.

There is also a pair of sport gas shocks and Beringer performance brakes among others.




Precisely, we spoke previously about the BMW R18, FCR ORIGINAL, another French tuner took care of it.

FCR Original is a tuner who works a lot on Triumph but he recently offered us a BMW R18 SPORT EDITION :


The black engine paint adds a sporty touch. It goes very well with the metallic grey of the whole and the small black alcantara seat.

As for the striking elements of this preparation, we see the short exhaust line that stops under the engine.

No inverted fork here, but fork covers to increase the volume and thus make the bike more muscular.

On the other hand, the rims have been changed by a set of 18/17 inches instead of the original 19/16 inches. FCR stayed wiser than TM in this area.

Read the Bikeexif article:  Sportiv: A more muscular BMW R18 from FCR Original | Bike EXIF


Triumph Bobber x Thornton Hundred Motorcycles:

Another new bobber on the market, the Triumph Bobber has been given a special treatment by Thornton Hundred who have given it a complete engine and cosmetic programme.


As you can see in the video below, the nice cruiser has undergone an engine transplant and now has over 200 horsepower.

Indeed, a supercharged engine has been installed and an engine preparation has been done.

To suit this new power, the braking and damping have been revised.

An inverted fork was installed in the style of the Bobber TFC model.

The rims were also widened so that the bike would be well supported. What a beauty.

Here is a video of the beast:


It's a good thing the new sports cars have more than 200 horsepower or they would be overtaken by bobbers.



Harley Sportster 48 X Ellaspede




In a slightly different register, because the base is in a different style, here is the Harley-Davidson Sportster Forty-Eight made by the Australian Ellaspede Custom Motorcycles.

This tuner, rather unknown in Europe, makes various preparations on all types of motorbikes.

In terms of modifications, this 48 is equipped with a large inverted front fork. The wheels are still 16 inches but the rear wheel is wider (5.5 inches).

The unconvincing original shocks have been replaced by Ohlins which raise the rear of the bike by about 1.38 inches.

For added sportiness, a D&D Bobcat-Carbon 2-in-1 exhaust system was installed in club style.

A Performance Machine Max HP air filter and a Daytona Twin Tech controller are included to enhance the performance of the 1200cc EVO engine.

An important element in making the bike sportier is that the RSD footpegs are in the rear position.

In addition to these modifications, this Sportster retains many original parts.

To see more about this pre-prep, click here: Ellaspede EB079 – 2013 Harley Davidson Sportster 48




Walzwerk is the German specialist of BMW.

It is therefore natural that the new BMW R18, which excites all the preparers, was entitled to a treatment by the German firm.

On the program, nothing extravagant, it's not the style of Walzwerk, but a purified and sportier vision of the Bavarian car.

Walzwerk offers parts for this R18 and this production is the perfect standard.

We like the exhaust outlets under the SC Project engine, the new rear fender with approved 3-in-1s integrated into the brackets (!) as well as the small solo seat.

The wheels, too, have been changed by a 16" rim at the rear and a 19" rim at the front.

Here are more pictures of this preparation: R18 BMW par le préparateur moto WalzWerk (cafe-racer-only.com)

Tell us which bobber sport you prefer between FCR, TANK MACHINE and WALZWERK.



After seeing different examples, we can look at the different characteristics so that you can realize your Sport Bobber


List of features of a Bobber Sport


The inverted fork



An essential element to optimize the bike's chassis, the inverted fork also gives a more muscular look to the bike.

Below, an inverted fork on an Indian Scout Bobber ready to go fast.


Wide wheels



Here's a close-up of the Tank Machine R18 with this incredible wheel.

Revisiting the size and width of the wheels will help adjust the handling of the bike and is a good complement to a new front and rear shock system.


Sports shock absorbers

Below is the Olhins Sport shock installed on the Tank Machine R18.

Bobbers are not known for their suspensions. As part of a sport upgrade, the "new shock" box must be checked to get the most out of the bike.



The solo seat


To illustrate the saddle, here's Walzwerk's model on a BMW R18.

The Bobber Sport is a selfish style. A solitary pleasure that others couldn't possibly understand. 


Engine preparation




Below the stage 1 engine preparation on a Sportster composed of an exhaust, a sport air filter and a reprogramming.

Once the cycle part is revised, the engine can be vitaminized to make the bike sportier.

The engine preparation has no real limits (except for the wallet and the regulations).

You can go as far as installing a turbo, a compressor or a big swap engine.


The short exhaust



The new exhaust system is part of the engine preparation package.

In addition to improving the performance, it also improves the look of the engine.

The model made by BAAK for Triumph Bobber is a perfect example.


Other parts


To this we can add the improvement of the brakes in case of chassis and engine optimization.

As well as all the other parts which are usually changed for a preparation such as the handlebar, the commodos, the mudguards, the headlight, the rear lights, the indicators etc...



What is the budget to build Bobber Sport ?


Usually, the base represents the essential part of the budget and when the base costs in the 15-20k range, it is not for everyone.

This is true for the models presented above, but it is possible to build sport bobbers on more affordable bases such as the Honda Shadow, the Yamaha Virago or a Sportster. 

I haven't seen any sport bobber preps with more affordable donors yet. If you know of any, please share them with us. 


To go further...


If the sport bobbers are too nice and you have a bigger budget, the next step is the muscle customs!

We'll have more on that in the near future.

What do you think of the bobber sport? Do you agree?



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